//Motion detection

from machine import Pin
from time import sleep

motion = False

def handle_interrupt(pin):
  global motion
  motion = True
  global interrupt_pin
  interrupt_pin = pin 

led = Pin(26, Pin.OUT)
pir = Pin(22, Pin.IN)

pir.irq(trigger=Pin.IRQ_RISING, handler=handle_interrupt)

while True:
  if motion:
    print('Motion detected!')
    led.value(1)
    sleep(1)
    led.value(0)
    motion = False


///////////////////////////////////////////////

// LCD Temp


from machine import Pin,PWM,I2C
from time import sleep
from dht import DHT22 
from pico_i2c_lcd import I2cLcd
 
dht = DHT22(Pin(22)) 
i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
I2C_ADDR = i2c.scan()[0]
lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)

def buzzer():
  buzzer = PWM(Pin(21))
  buzzer.freq(500)
  buzzer.duty_u16(1000)
  sleep(1)
  buzzer.duty_u16(0)

while True:
    
    dht.measure()
    temp = dht.temperature()
    hum = dht.humidity()
   
    print(f"Temperature: {temp}°C Humidity: {hum}% ")
    sleep(2)
    
    if (temp > 20 and hum > 30):
        buzzer()
    else:
        None 

    
    lcd.putstr(f"Temp:{temp} C     Humidity:{hum}%")
    sleep(2)        
    lcd.clear()
    sleep(1)

   
//////////////////////////////////////////////////////


//LED Blink


from machine import Pin
from time import sleep

led1 = Pin(18, Pin.OUT)
led2 = Pin(19, Pin.OUT)
led3 = Pin(20, Pin.OUT)
buz = Pin(21, Pin.OUT)

def ledBlink(le):
  le.on()
  sleep(0.5)
  le.off()
  sleep(0.5) 

while True:
  ledBlink(led1)
  ledBlink(led2)
  ledBlink(buz)
  ledBlink(led3)
  ledBlink(led2)
  ledBlink(buz)